US PATENT SUBCLASS 128 / 205.13
.~.~ Respiratory gas supplied from expandable bag, bellows, or squeeze bulb

Current as of: June, 1999
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128 /   HD   SURGERY

200.24  DF  RESPIRATORY METHOD OR DEVICE {32}
204.18  DF  .~ Means for supplying respiratory gas under positive pressure {17}
205.13.~.~ Respiratory gas supplied from expandable bag, bellows, or squeeze bulb {4}
205.14  DF  .~.~.~> Means for adjusting gas volume delivered to user from bag, bellows, or bulb during inflation-deflation cycle
205.15  DF  .~.~.~> Held in pressurizable housing
205.16  DF  .~.~.~> Biased to contracted or expanded position by mechanical means (e.g., weight, spring, etc.)
205.17  DF  .~.~.~> Rebreathing bag or bellows

DEFINITION

Classification: 128/205.13

Respiratory gas supplied from expandable bag, bellows, or squeeze bulb:

(under subclass 204.18) Subject matter wherein respiratory gas is supplied from an expandable bag, bellows, or squeeze bulb.

(1) Note. Included here as a bellows is a piston movable

within a cylinder and a flexible tube one end of which is attached to the piston and the other end of which is attached to the cylinder, thus providing a seal between the upper and lower portions of the cylinder.